Lincoln 2014 MKZ Hybrid Owner's Manual page 189

Parking Aids
The system does not offer a particular space
Something may be contacting the front bumper or side sensors
There is not enough room on both sides of the vehicle in order to park
There is not enough space for the parking maneuver on the opposite side of the parking
space
The vehicle is farther than 6.5 ft (2.0 m) from the parking space
The vehicle is closer than 16 in. (40 cm) from neighboring parked vehicles
The transmission is in R (Reverse); the vehicle must be moving forward to detect a
parking space
The system does not position the vehicle where I want in the space
The vehicle is rolling in the opposite direction of the transmission (i.e. rolling forward
when R [Reverse] is selected)
An irregular curb along the parking space prevents the system from aligning the vehicle
properly
Vehicles or objects bordering the space may not be positioned correctly
The vehicle was pulled too far past the parking space. The system performs best when
you drive the same distance past the parking space
The tires may not be installed or maintained correctly (i.e. not inflated correctly, improper
size, or of different sizes)
A repair or alteration has changed detection capabilities
A parked vehicle has a high attachment (i.e. salt sprayer, snowplow, moving truck bed,
etc.)
The parking space length or position of parked objects changed after your vehicle
passed
The temperature around your vehicle changes quickly (i.e. driving from a heated garage
into the cold, or after leaving a car wash)
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MKZ (CC9)